Finding the Third Proportional to 1,448,463 and 2,128,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448,463 : 2,128,300.50 = 2,128,300.50 : x
2. Step 2: Convert to fraction form
   1,448,463/2,128,300.50 = 2,128,300.50/x
3. Step 3: Cross multiply
   1,448,463x = 2,128,300.50 × 2,128,300.50
4. Step 4: Simplify right side
   1,448,463x = 4,529,663,018,300.25
5. Step 5: Solve for x
   x = 4,529,663,018,300.25/1,448,463
6. Step 6: Final answer
   x = 3,127,220.38